Aida did not correctly divide by the common factor to get (4+8).
It can be a decimal or fraction. An integer HAS to be a whole number.
-2, 10, and 4300 are integers
8.4, -0.14568, and 1/2 are not integers
$22 AUD * 1 USD / 1.2 AUD
Hope that helps
(1/4)x+1=32
(1/4)x=31
X=31*4
X=124
